ASTM E 2191-2008 利用声辐射检查充气的丝绕复合压力容器的标准实施规程
作者:标准资料网 时间:2024-05-14 00:51:33 浏览:8150
来源:标准资料网
【英文标准名称】:StandardPracticeforExaminationofGas-FilledFilament-WoundCompositePressureVesselsUsingAcousticEmission
【原文标准名称】:利用声辐射检查充气的丝绕复合压力容器的标准实施规程
【标准号】:ASTME2191-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:声学的;声学;压缩气瓶;排放;检验;丝绕;填充的;气体压力容器;压力容器;试验方法;卷绕
【英文主题词】:Acoustic;Acoustics;Compressed-gascylinder;Emission;Examinations;Filamentwound;Filled;Gaspressurevessels;Pressurevessels;Testmethod;Testmethods;Wound
【摘要】:
【中国标准分类号】:
【国际标准分类号】:17_140_01;23_020_30
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:TestMethodforBaseNumberDeterminationbyPotentiometricTitration
【原文标准名称】:用电势滴定法测定碱值的试验方法
【标准号】:ANSI/ASTMD4739-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:2007-12-25
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:碱值;测定;润滑剂;石油产品;电势分析法;测试;滴定法
【英文主题词】:Basenumber;Determination;Lubricants;Petroleumproducts;Potentiometricanalysis;Testing;Titration
【摘要】:Thistestmethodcoversaprocedureforthedeterminationofbasicconstituentsinpetroleumproductsandnewandusedlubricants.Thistestmethodresolvestheseconstituentsintogroupshavingweak-baseandstrong-baseionizationproperties,providedthedissociationconstantsofthemorestronglybasiccompoundsareatleast1000timesthanthatofthenextweakergroups.Thistestmethodcoversbasenumbersupto250.Innewandusedlubricants,theconstituentsthatcanbeconsideredtohavebasicpropertiesareprimarilyorganicandinorganicbases,includingaminocompounds.Thistestmethoduseshydrochloricacidasthetitrant,whereasTestMethodD2896usesperchloricacidasthetitrant.Thistestmethodmayormaynottitratetheseweakbasesand,ifso,itwilltitratethemtoalesserdegreeofcompletion;someadditivessuchasinhibitorsordetergentsmayshowbasiccharacteristics.Whentestingusedenginelubricants,itshouldberecognizedthatcertainweakbasesaretheresultoftheserviceratherthanhavingbeenbuiltintotheoil.Thistestmethodcanbeusedtoindicaterelativechangesthatoccurinoilduringuseunderoxidizingorotherserviceconditionsregardlessofthecolororotherpropertiesoftheresultingoil.Thevaluesobtained,however,areintendedtobecomparedwiththeothervaluesobtainedbythistestmethodonly;basenumbersobtainedbythistestmethodarenotintendedtobeequaltovaluesbyothertestmethods.Althoughtheanalysisismadeundercloselyspecifiedconditions,thistestmethodisnotintendedto,anddoesnot,resultinreportedbasicpropertiesthatcanbeusedunderallserviceconditionstopredictperformanceofanoil;forexample,nooverallrelationshipisknownbetweenbearingcorrosionorthecontrolofcorrosivewearintheengineandbasenumber.ThistestmethodwasdevelopedasanalternativefortheformerbasenumberportionofTestMethodD664(lastpublishedinTestMethodD664-81).1.4.1ColorimetrictestmethodsforbasenumberareTestMethodD974,IP139,and5102.1onacidandbasenumberbyextraction(color-indicatortitration)ofFederalTestMethodStandardNo.791b.Testresultsbythesemethodsmayormaynotbenumericallyequivalenttothistestmethod.ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_040_40
【页数】:
【正文语种】:英语
【英文标准名称】:Inserts,thinwall,self-locking-Designstandard
【原文标准名称】:薄壁、自锁紧镶嵌件.设计标准
【标准号】:BSEN3676-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:螺纹零件;直径;装配;长度;飞行器部件;角(几何学);名称与符号;可重复使用;性能;紧固件;扭矩;螺纹嵌镶件;锯齿形花键;抗振紧固件;孔;螺纹;螺纹紧固件;尺寸公差;尺寸;设计
【英文主题词】:
【摘要】:ThisstandardspecifiestheuseandinstallationholedimensionsforENstandard,self-locking,thinwallinserts,foraerospaceapplicationsandprovisionsforcomponentsalvage.
【中国标准分类号】:V20
【国际标准分类号】:49_030_30
【页数】:14P;A4
【正文语种】:英语
